linux-kernel - Re: [PATCH 2/3] cxl/mbox: Add GET_POISON

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Date:   Thu, 16 Jun 2022 16:15:22 -0700
From:   Alison Schofield <alison.schofield@...el.com>
To:     Davidlohr Bueso <dave@...olabs.net>
Cc:     "Williams, Dan J" <dan.j.williams@...el.com>,
        "Weiny, Ira" <ira.weiny@...el.com>,
        "Verma, Vishal L" <vishal.l.verma@...el.com>,
        Ben Widawsky <bwidawsk@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        "linux-cxl@...r.kernel.org" <linux-cxl@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "a.manzanares@...sung.com" <a.manzanares@...sung.com>
Subject: Re: [PATCH 2/3] cxl/mbox: Add GET_POISON_LIST mailbox command support

On Thu, Jun 16, 2022 at 03:45:25PM -0700, Davidlohr Bueso wrote:
> On Thu, 16 Jun 2022, Alison Schofield wrote:
> 
> >cxl list --media-errors -m mem1
> >	lists media errors for requested memdev
> >
> >cxl list --media-errors -r region#
> 
> A quick question on the tooling front: the above goes nicely with
> cxl-list, but what about the rest of the poisoning cmds? Do you have
> anything in mind? Do we want something specific for media and poison
> management instead? Ie:
> 
> cxl media --list-errors <params>
Not clear how this one differs. Seems like we can get any piece of 
the list w cxl list.

> cxl media --inject-errors <params>
> cxl media --clear-errors <params>
For inject/clear I'd probably start w what ndctl does today.
ndctl inject−error  <namespace> [<options>]
where option -d --uninject performs the clear.

> 
> Thanks,
> Davidlohr